2Functions of the Authority
(1)The Authority’s main functions are—
(a)to maintain the Police Service,
(b)to promote the policing principles set out in section 32,
(c)to promote and support continuous improvement in the policing of Scotland,
(d)to keep under review the policing of Scotland,
(e)to hold the chief constable to account for the policing of Scotland (including, in particular, the chief constable’s carrying out of the duties imposed by or mentioned in section 17).
(2)The Authority also has the additional functions conferred on it by virtue of this or any other enactment.
(3)The Authority must try to carry out its functions in a way which is proportionate, accountable and transparent and which is consistent with any principle of good governance which appears to it to constitute best practice.